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