Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang tinh ca snippets" » "dang dinh ca snippets", "dang sinh ca snippets", "dang vinh ca snippets", "dang tinh cao snippets", "dang tinh cua snippets", "dang tinh va snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dang tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang tinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.