Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc minh chi snippets" » "toc minh code snippets", "toc kinh chi snippets", "toc xinh chi snippets", "ngoc minh chi snippets", "toc dinh chi snippets", "toc linh chi snippets", "toc minh chau 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 minh chi 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 minh chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toc minh chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc minh chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.