Perhaps you should try some spelling variations:
chieu sang » chieu xanh, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
manh trung » manh tung, thanh trung, manh hung
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong than » thong thanh, thong phan, thong nhan
hieu lang » hieu quang, nhieu tang, hieu van
than toan » thanh toan, than tuan, thuat toan
toan tap » toan ban

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

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