Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao nang du snippets" » "cao nang du snippets", "tai nang du snippets", "tao bang du snippets", "tao nang tu snippets", "tao nang luc snippets", "tao nang doc 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 nang du 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 nang du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao nang du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao nang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.