Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luat hoi cau snippets" » "luat hoi code snippets", "luat moi cau snippets", "luat so cau snippets", "luat dai cau snippets", "luat hoi chu snippets", "luat hoc cau snippets", "luat hoa cau 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: (((("luat hoi 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: (((("luat hoi cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luat hoi cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat hoi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.