Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoang tu cau snippets" » "hoang tu code snippets", "hoang thu cau snippets", "hoang vu cau snippets", "hoang tuan cau snippets", "hoang tu cac snippets", "hoang cu cau snippets", "hoang tu can 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: (((("hoang tu cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang tu cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoang tu cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang tu cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.