Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian qua cua snippets" » "giang qua cua snippets", "gian cua cua snippets", "giap qua cua snippets", "gian quan cua snippets", "gian quang cua snippets", "gian qua quan 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: (((("gian qua 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: (((("gian qua cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian qua cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian qua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.