Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giap tac cua snippets" » "gia tac cua snippets", "gia tai cua snippets", "gian tay cua snippets", "giap tac quan snippets", "giap thuc 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: (((("giap tac 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: (((("giap tac cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giap tac cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giap tac cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.