Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat de soc snippets" » "nhat ve soc snippets", "nhat le soc snippets", "chat deo soc snippets", "nhat den soc snippets", "nhat de hoc snippets", "nhat de so 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: (((("nhat de soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat de soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat de soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat de soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.