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