Perhaps you should try some spelling variations:
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
cao trong » cao truong, cay trong, tao trong
cong sang » cong san, cong lang, cong vang
ho chieu » theo chieu, hoc thieu, mot chieu
tung cao » nung cao, truong cao, trung cap
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 (doi chieu)) sach - thanh tung cao trong cong sang ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - thanh tung cao trong cong sang ((phan cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - thanh tung cao trong cong sang ((phan cau) or (phan dau))*.