Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug code slippers", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan cao van snippets" » "dan ca van snippets", "dam cao van snippets", "dan bao van snippets", "dan cac van snippets", "dan dao van snippets", "dan cao dang snippets", "dan cao van slippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dan cao van snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dan cao van snippets\") OR (\"python using java snippets\"))) OR (\"locatinhg bug code snippets\"))".
• Removing quotes may allow a broader search: (((( dan cao van snippets ) OR ( python using java snippets ))) OR ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cao van snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets"))*.