Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » hieu lang
chieu sang » chieu sach, chieu xanh, hieu lang
nhiet nang » nhiet dong, viet nang, thien nang
trong manh » trong minh, trong anh, trong mach
trung cam » trung tam, trung cap, trung nam
manh toan » thanh toan, anh tuan, tinh toan
cam dung » cam hung, am dung, cao dung
toan ban » van 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 ((((nhieu tang) OR (chieu sang))) or (nhiet nang)) - thanh trung cam dung trong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((nhieu tang) OR (chieu sang))) OR (nhiet nang)) - thanh trung cam dung trong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((nhieu tang) OR (chieu sang))) or (nhiet nang)) - thanh trung cam dung trong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((nhieu tang) OR (chieu sang))) or (nhiet nang)) - thanh trung cam dung trong manh toan ban*.