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