Perhaps you should try some spelling variations:
nhuong cuong » thuong luong, chuong duong, nhung cong
chieu sang » chieu sach, chieu xanh, hieu lang
trinh toan » tinh toan, trinh han, trinh quan
thanh toan » thanh hoa, thanh san, tinh toan
lieu tinh » trieu tinh, diep tinh, bien tinh
cuong tap » luong tap, cong tac, luong tai
tap toan » tap doan, tap quan, bai toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (lieu tinh)) - hanh ((trinh toan) OR (thanh toan)) nhuong cuong tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (lieu tinh)) - hanh ((trinh toan) OR (thanh toan)) nhuong cuong tap toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (lieu tinh)) - hanh ((trinh toan) OR (thanh toan)) nhuong cuong tap toan cau*".