Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
phan thong » phan thuong, phan hong, phan tong
tung phan » trung phan, tuong phan, dung phan
doan phan » doanh phan, toan phan, doanh nhan
ho chieu » hoc thieu, doi chieu, mot chieu
dan phan » dan chan, van phan, dam phan

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

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