Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao nhac cu snippets" » "tao nhan cu snippets", "tho nhac cu snippets", "tao bac cu snippets", "tao nhat cua snippets", "tao nhan cua 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: (((("tao nhac cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao nhac cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao nhac cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao nhac cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.