Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong dan » phuong danh, phuong doan, huong dan
hoc thieu » toc thieu
trung cua » truong cua, trung tuan, trung cap
cua doan » cua doanh, cua dan, cua toan
dan toan » van toan, dan than, manh toan
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 thieu) or (hoc hien)) manh - thanh trung cua doan phuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) manh - thanh trung cua doan phuong dan toan ban*.