Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang dau soc snippets" » "hang dau soc snippets", "xang dau soc snippets", "nang du soc snippets", "nang dan soc snippets", "nang dau ngoc snippets", "nang dau nuoc 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: (((("nang dau 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: (((("nang dau soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang dau soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang dau soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.