Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thai cua toi snippets" » "than cua toi snippets", "tai cuc toi snippets", "tri cua toi snippets", "thai cua hoi snippets", "thai cua moi snippets", "thai cua loai 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: (((("thai cua toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thai cua toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thai cua toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thai cua toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.