Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh tu doc snippets" » "trinh tu code snippets", "trinh ky doc snippets", "trinh do doc snippets", "trinh tu duoc snippets", "trinh tu hoc snippets", "trinh tu do snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh tu doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"trinh tu doc snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( trinh tu doc snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh tu doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.