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