Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi thuy chu snippets" » "thi thu chu snippets", "thi thuy chi snippets", "thi thuy hu snippets", "thi thuy nha 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: (((("thi thuy chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi thuy chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi thuy chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi thuy chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.