Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua ngoc huu snippets" » "lua nuoc huu snippets", "luu ngoc huu snippets", "luan ngon huu snippets", "lua ngoc hue snippets", "lua ngoc hung snippets", "lua ngoc chau 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: (((("lua ngoc huu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua ngoc huu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lua ngoc huu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua ngoc huu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.