Perhaps you should try some spelling variations:
nganh thanh » nhanh thanh, danh thanh, nhanh thang
phuong cong » phuong dong, phong cong, phung cong
ngang tuan » quang tuan, hoang tuan, nganh toan
thi hang » thi hanh, thi nang, thi hong
doi thi » doi thoi, do thi, doi khi
nhan va » nhan tai, nhan dan, nhan tao
han va » hang va, hanh va, ban va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi thi hang - hanh ((han va) OR (nhan va)) phuong cong ((ngang tuan) OR (nganh thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi thi hang - hanh ((han va) OR (nhan va)) phuong cong ((ngang tuan) or (nganh thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: doi thi hang - hanh ((han va) OR (nhan va)) phuong cong ((ngang tuan) or (nganh thanh)) cau*.