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