Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang que doi snippets" » "lang que doi snippets", "dang quoc doi snippets", "lang quen doi snippets", "dang que di snippets", "dang que toi snippets", "dang quan 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: (((("dang que 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: (((("dang que doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang que doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang que doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.