Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tat tan cau snippets" » "tat tan code snippets", "tat tai cau snippets", "tat thang cau snippets", "tat tien cau snippets", "tat toan cau snippets", "tat van cau snippets", "tat tan ca 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: (((("tat tan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tat tan cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tat tan cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat tan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.