Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc lieu nhe snippets" » "duoc lieu nhe snippets", "doc hieu nhe snippets", "du lieu nhe snippets", "doc lieu nghe snippets", "doc lieu nha snippets", "doc lieu che 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: (((("doc lieu nhe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc lieu nhe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc lieu nhe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc lieu nhe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.