Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"truc cau doi snippets" » "truc cau code snippets", "truc cu doi snippets", "truc du doi snippets", "truc va doi snippets", "truc cau hoi snippets", "truc cau do snippets", "truc cau noi 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: (((("truc cau doi 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 cau doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( truc cau doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc cau doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.