Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
trung vap » trung cap, trung va, trung van
trong ban » trong san, trong quan, trong cac
trong tan » trong quan, trong cac, trong ca
vap dung » van dung, ap dung, va dung
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - thanh trung vap dung ((trong ban) OR (trong tan)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh trung vap dung ((trong ban) OR (trong tan)) toan ban*".