Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac thanh vo snippets" » "bac thanh vo snippets", "cach nhanh vo snippets", "ban thanh vo snippets", "cac thanh va snippets", "cac thanh ve snippets", "cac than vo snippets"
"locating bug code snippets" » "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: (((("cac thanh vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac thanh vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac thanh vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac thanh vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.