Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat buoc cua snippets" » "dat nuoc cua snippets", "dat duoc cua snippets", "vat duoc cua snippets", "bat nuoc cua snippets", "bat buoc chan snippets", "bat buoc chao 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 buoc 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 buoc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat buoc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat buoc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.