Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
vap thong » va thong, van thong, phap thong
tung vap » tung va, trung van, tuong vao
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) sach - thanh tung vap thong cong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) sach - thanh tung vap thong cong dan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chi)) sach - thanh tung vap thong cong dan ((phan cau) or (phan cac))*.