Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat doc canh snippets" » "dat doc hanh snippets", "dat do canh snippets", "dat doi canh snippets", "dat duoc canh snippets", "day doc canh snippets", "dat nuoc canh 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: (((("dat doc canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat doc canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat doc canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat doc canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.