Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nao ve cau snippets" » "nao ve code snippets", "bao ve cau snippets", "nao de cau snippets", "dao ve cau snippets", "nao ke cau snippets", "nao va cau snippets", "nao ve cac 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 ve cau 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 ve cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nao ve cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao ve cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.