Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nao mau cua snippets" » "nao mau code snippets", "dao mau cua snippets", "nao mu cua snippets", "tao mau cua snippets", "nao ma cua snippets", "nao mat cua snippets", "nao cau 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: (((("nao mau 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: (((("nao mau cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nao mau cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao mau cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.