Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tat cao hon snippets" » "tat cao code snippets", "tao cao hon snippets", "tay cao hon snippets", "tat bao hon snippets", "tat cao son snippets", "tat cao hoc snippets", "tat ca hon 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 cao hon 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 cao hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tat cao hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat cao hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.