Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tung » thanh cong
phap thong » phap phong, phap chong, phap tieng
huong doan » phuong doan, huong dan, huong loan
pho thong » he thong
doan phan » doanh phan, toan phan, dan phan
ho chiet » ho chieu, ho thiet, hoc thiet
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - ((thanh trung) or (thanh tung)) ((phap thong) or (pho thong)) huong doan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((thanh trung) OR (thanh tung)) ((phap thong) OR (pho thong)) huong doan phan cac.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((thanh trung) or (thanh tung)) ((phap thong) or (pho thong)) huong doan phan cac*.