Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cap » truong cao, trung tam
tuong dan » huong dan, tung dan, xuong dan
thanh cac » hanh cac, thanh bac, thanh ca
trung ha » trung hoc, trung tam
than cap » khan cap, thanh lap, than cua

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 - manh ((trung ha) or (trung cap)) nhung tuong dan ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - manh ((trung ha) OR (trung cap)) nhung tuong dan ((than cap) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - manh ((trung ha) or (trung cap)) nhung tuong dan ((than cap) or (thanh cac))*.