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