Perhaps you should try some spelling variations:
nganh tuan » nganh toan, nganh quan, nganh thanh
hieu quan » hieu qua, lieu quan, thien quan
tranh cua » doanh cua, manh cua
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
ho hieu » ho chieu, hoi hieu, nho hieu
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu quan - hanh ((tranh cua) or (((trung cua) or (trung cap)))) dung trong nganh tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quan - hanh ((tranh cua) OR (((trung cua) OR (trung cap)))) dung trong nganh tuan cu.
• Adding a wildcard symbol may retrieve word variants: ho hieu quan - hanh ((tranh cua) or (((trung cua) or (trung cap)))) dung trong nganh tuan cu*.