Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vuc hoc mon snippets" » "luc hoc mon snippets", "duc hoc mon snippets", "duoc hoc mon snippets", "vuc hoc moi snippets", "vuc hoc mot snippets", "vuc hoc cong 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: (((("vuc hoc mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vuc hoc mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vuc hoc mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vuc hoc mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.