Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap tinh de snippets" » "tap kinh de snippets", "tap hinh de snippets", "tap tieng de snippets", "tap tinh da snippets", "tap sinh de snippets", "tap tinh he 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: (((("tap tinh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap tinh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap tinh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap tinh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.