Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
thanh tung » thanh cong
dung cong » dung trong
cong nang » cong ngang, cong lang, cong nong
nang phan » nang phat, nang thanh, nang quan
tung cap » trung cap, cung cap, thong cap
cap dung » ap dung, cao dung, chan dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) sach - thanh tung cap dung cong nang phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - thanh tung cap dung cong nang phan tu.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) sach - thanh tung cap dung cong nang phan tu*.