Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc lua tuan snippets" » "hoc luu tuan snippets", "hoc luat quan snippets", "hoc xuan tuan snippets", "hoc luan tuan snippets", "hoc luat tuan snippets", "hoc cua tuan snippets"

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

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