Perhaps you should try some spelling variations:
"cao chuong v snippets" » "cac chuong v snippets", "cho chuong v snippets", "cao chung v snippets", "cao cuong v snippets", "cao thuong va snippets", "cao chuong my snippets", "cao chuong v slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cao chuong v snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao chuong v snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao chuong v snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao chuong v snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.