Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"anh cua cua snippets" » "anh cua code snippets", "manh cua cua snippets", "hanh cua cua snippets", "canh cua cua snippets", "anh cua chua snippets", "anh ca cua snippets", "anh qua 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: (((("anh cua 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: (((("anh cua cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( anh cua cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh cua cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.