Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"data cau voi snippets" » "data cau code snippets", "dat cau voi snippets", "da cau voi snippets", "danh cau voi snippets", "data cau hoi snippets", "data cau doi snippets", "data cau noi snippets"
"python using java snippets" » "python using data snippets"

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

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