Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung pham » trung phan, tung pham, trung phat
doi chieu » doi chi, ho chieu, mot chieu
pham hang » pham hoang, pham hong, pham hanh
hang cong » dang cong, hang nong, bang cong
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 (((doi chieu) or (doc hieu)))) sach - thanh trung pham hang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (((doi chieu) OR (doc hieu)))) sach - thanh trung pham hang cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (((doi chieu) or (doc hieu)))) sach - thanh trung pham hang cong dan than cau*.