Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va tuyen mo snippets" » "va truyen mo snippets", "tac tuyen mo snippets", "ke tuyen mo snippets", "va tuyen o snippets", "va tuyen co snippets", "va tuyen m 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: (((("va tuyen mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va tuyen mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va tuyen mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va tuyen mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.