Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap thi du snippets" » "gian thai du snippets", "giang thi du snippets", "tiep thi du snippets", "giap thi dua snippets", "giap thi dau snippets", "giap thi diu 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: (((("giap thi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giap thi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giap thi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap thi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.