Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kho thi cham snippets" » "kho thi code snippets", "kho thi hai snippets", "kho toc cham snippets", "kho thi ha snippets", "khe thi cham snippets", "khi thi cham snippets", "khoa thu 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: (((("kho 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: (((("kho thi cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( kho thi cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho thi cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.