Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
thong cap » thong cac, trung cap, thong cua
cap nhung » cam nhung, vap nhung, dap nhung
manh toan » thanh toan, anh tuan, tinh toan
anh toan » anh tuan, thanh toan, nganh toan

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

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