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