Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian toan do snippets" » "gian thanh do snippets", "gian truan do snippets", "gian dan do snippets", "gian toan ho snippets", "gian toan co snippets", "gian toan du 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 toan do 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 toan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian toan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian toan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.