Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong doan » phuong loan, phuong hoang, huong dan
chieu tinh » lieu tinh, chau tinh, kieu tinh
cap nhung » cam nhung, vap nhung, canh nhung
dap nhung » vap nhung, va nhung, dap ung
doan tuan » doan quan, doanh luan, doan quang
tuan cao » toan cao, juan cao, quang cao

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 tinh) OR (trieu tinh)) - thanh trung ((cap nhung) or (dap nhung)) phuong doan tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (trieu tinh)) - thanh trung ((cap nhung) OR (dap nhung)) phuong doan tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu tinh) OR (trieu tinh)) - thanh trung ((cap nhung) or (dap nhung)) phuong doan tuan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) OR (trieu tinh)) - thanh trung ((cap nhung) or (dap nhung)) phuong doan tuan cao*.