Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
phuong cua » huong cua, chuong chua, thong cua
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (trieu tinh)) - thanh ((phuong cua) OR (phuong cham)) hang cong van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (trieu tinh)) - thanh ((phuong cua) OR (phuong cham)) hang cong van tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((hieu manh) or (trieu tinh)) - thanh ((phuong cua) OR (phuong cham)) hang cong van tuan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (trieu tinh)) - thanh ((phuong cua) OR (phuong cham)) hang cong van tuan cau*.