Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vao cong doc snippets" » "vao cong code snippets", "va cong doc snippets", "cao cong doc snippets", "van cong doc snippets", "vao chong doc snippets", "vao cong coc snippets", "vao cong dac 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: (((("python using java snippets") or ("vao cong doc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("vao cong doc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( vao cong doc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("vao cong doc snippets"))) or ("locating bug core snippets"))*.