Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan chi cua snippets" » "nhan chi code snippets", "nhanh thi cua snippets", "nhan chan cua snippets", "nhan chat cua snippets", "nhan chi cuc snippets", "nhan khi cua snippets", "nhan cuoi 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: (((("nhan chi 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: (((("nhan chi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan chi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan chi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.