Perhaps you should try some spelling variations:
thanh trung » thanh tung
tam thuoc » nam thuoc, lam thuoc, tac thuoc
trong tan » trong quan, trong cac, cong tan
ho chieu » theo chieu, hoc thieu, doi chieu
trong ca » trong cac, trong nha
than cap » khan cap, thanh lap, thanh cac
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chi)) xanh - thanh trung tam thuoc ((trong tan) or (trong ca)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - thanh trung tam thuoc ((trong tan) OR (trong ca)) than cap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) xanh - thanh trung tam thuoc ((trong tan) or (trong ca)) than cap*.