Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac lieu nhe snippets" » "bac lieu nhe snippets", "cac kieu nhe snippets", "cac bieu nhe snippets", "cac lieu nghe snippets", "cac lieu nha snippets", "cac 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: (((("cac 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: (((("cac lieu nhe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac lieu nhe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac lieu nhe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.