Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat hai cua snippets" » "bat dai cua snippets", "dat hai cua snippets", "gat hai cua snippets", "bat thai cua snippets", "bat hoi cua 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 hai 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: (((("bat hai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat hai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat hai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.