Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat vong doi snippets" » "bat dong doi snippets", "bat cong doi snippets", "khat vong doi snippets", "bat trong doi snippets", "bat huong doi snippets", "bat dung doi 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: (((("bat vong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat vong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat vong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat vong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.