Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu thi cham snippets" » "phu thi hai snippets", "phu toc cham snippets", "phu thi ha snippets", "phuc thi cham snippets", "phu tho cham snippets", "chu thi cham 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 cham 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 cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu thi cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu thi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.