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