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