Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuc dang de snippets" » "chuc nang de snippets", "chuc danh de snippets", "thuoc dang de snippets", "chuc dang deo snippets", "chuc dung de snippets", "chuc dang do 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: (((("chuc dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuc dang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc dang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.