Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
thien hach » thien thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
hieu cach » hieu cac, chieu sach, hieu ca
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
cong tan » cong tac, cong san, cong thanh
nhan cap » khan cap, nhan cach, nhanh cay
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu cach) or (thien hach)) - hanh trung cap nhung cong tan ((nhan cap) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu cach) OR (thien hach)) - hanh trung cap nhung cong tan ((nhan cap) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu cach) or (thien hach)) - hanh trung cap nhung cong tan ((nhan cap) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu cach) or (thien hach)) - hanh trung cap nhung cong tan ((nhan cap) OR (than cap))*.