Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
hoc hieu » hoc thieu, hoc hien, doc hieu
tranh va » tranh van, trinh va, thanh va
trang va » tran van, hang va
cong ban » cong bang, cong san, cong tan

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 manh - canh ((tranh va) OR (trang va)) thong cong ban thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - canh ((tranh va) OR (trang va)) thong cong ban thanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh ((tranh va) OR (trang va)) thong cong ban thanh cau*.