Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc chinh ca snippets" » "toc chinh code snippets", "hoc chinh ca snippets", "soc chinh ca snippets", "tac chinh ca snippets", "toc chinh ta snippets", "toc chinh va snippets", "toc chinh tai 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 chinh ca 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 chinh ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toc chinh ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc chinh ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.