Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
dap nhung » vap nhung, va nhung, dap ung
cam nhung » cam hung, nam nhung, tham nhung
cong tac » cong ty
phan dau » phan tu, hang dau

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 xanh - thanh trung ((dap nhung) or (cam nhung)) ((cong san) or (cong tac)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung ((dap nhung) OR (cam nhung)) ((cong san) OR (cong tac)) phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung ((dap nhung) or (cam nhung)) ((cong san) or (cong tac)) phan dau*.