Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"than hoc toc snippets" » "than hoc code snippets", "toan hoc toc snippets", "thai hoc toc snippets", "than doc toc snippets", "than hoc hoc snippets", "than hoc thuoc snippets", "than hoc toeic 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: (((("than hoc toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than hoc toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( than hoc toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than hoc toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.