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