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