Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"giang thi da snippets" » "giang thi code snippets", "giang nhi da snippets", "hoang thi da snippets", "dang thi da snippets", "giang thi dai snippets", "giang thi dua snippets", "giang thi dan 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: (((("giang thi da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giang thi da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( giang thi da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang thi da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.