Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong do cua snippets" » "cong do code snippets", "cong dot cua snippets", "cuong do cua snippets", "cong so cua snippets", "cong doi cua snippets", "cong co cua snippets", "cong de cua 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: (((("cong do cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong do cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong do cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong do cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.