Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap voi co snippets" » "gian voi co snippets", "gia moi co snippets", "giap thi co snippets", "giap voi con snippets", "giap moi co snippets", "giap hoi co 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 voi co 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 voi co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giap voi co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap voi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.