Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian doi moi snippets" » "gian hoi moi snippets", "gian don moi snippets", "gian voi moi snippets", "gian doi voi 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 doi moi 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 doi moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian doi moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian doi moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.