Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh he moi snippets" » "trinh he code snippets", "trinh han moi snippets", "trinh hoa moi snippets", "trinh ky moi snippets", "trinh ve moi snippets", "trinh te moi snippets", "trinh he 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: (((("trinh he moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh he moi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh he moi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh he moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.