Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duoi ca cong snippets" » "duoi ca code snippets", "doi ca cong snippets", "cuoi cua cong snippets", "nuoi cay cong snippets", "duoi cua cong snippets", "duoi cac cong snippets", "duoi cao cong 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: (((("duoi ca cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoi ca cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duoi ca cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi ca cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.