Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc tinh ca snippets" » "hoc trinh ca snippets", "hoc sinh ca snippets", "hoc kinh ca snippets", "hoc tinh cao snippets", "hoc tinh cua snippets", "hoc 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: (((("hoc 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: (((("hoc tinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc tinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.