Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung cap, dung cua
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
chu sang » chu bang, chieu sang, chuc nang
thu sang » thu hang, thu san, thu bang
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: theo ((chu sang) OR (thu sang)) - hanh ((trung cua) or (trung tuan)) nhung cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sang) OR (thu sang)) - hanh ((trung cua) OR (trung tuan)) nhung cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sang) OR (thu sang)) - hanh ((trung cua) or (trung tuan)) nhung cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) OR (thu sang)) - hanh ((trung cua) or (trung tuan)) nhung cong manh toan ban*.