Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sat quan cua snippets" » "sat quang cua snippets", "hat quan cua snippets", "dat quan cua snippets", "sat quan luan snippets", "sat ban cua snippets", "sat gian cua 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: (((("sat quan cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sat quan cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat quan cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat quan cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.