Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi dan chat snippets" » "thi dan code snippets", "thi van chat snippets", "thi dan chan snippets", "thi ban chat snippets", "thi doan chat snippets", "thi lan chat snippets", "thi dai chat 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 dan chat 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 dan chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi dan chat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dan chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.