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