Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
tuan thong » toan thong, tran thong, tuan phong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tung tuan » trung tuan, hung tuan, quang tuan
thong ban » trong ban, thong bai, thong dan
thong van » trong van, thong va, thong quan
phap cau » phan cau, pha cau, phap ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chieu sang)) - thanh tung tuan thong ((thong ban) OR (thong van)) phap cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sang)) - thanh tung tuan thong ((thong ban) OR (thong van)) phap cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (chieu sang)) - thanh tung tuan thong ((thong ban) OR (thong van)) phap cau".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sang)) - thanh tung tuan thong ((thong ban) OR (thong van)) phap cau*.