Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua thi cham snippets" » "cua thi code snippets", "cua thi hai snippets", "cua toc cham snippets", "cua thi ha snippets", "cua thoi cham snippets", "cua toi cham snippets", "cua chi cham snippets"
"python using java snippets" » "python using data 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: (((("cua thi cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua thi cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua thi cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua thi cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.