Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua tri cuu snippets" » "chu tri cuu snippets", "chua trieu cuu snippets", "chua tivi cuu snippets", "chua tri cua snippets", "chua tra cuu snippets", "chua trinh cuu 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: (((("chua tri cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chua tri cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua tri cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua tri cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.