Perhaps you should try some spelling variations:
doi chieu » doc hieu, mot chieu, thi chieu
canh sinh » canh tinh, canh binh, tinh sinh
hang cong » dang cong, hang nong, bang cong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
ho chieu » theo chieu, hoc thieu, mot chieu
phan dau » phan tu, hang dau
doi chi » doi khi
sinh va » sinh vat, tinh va, dinh van
va hang » van hang, va nang, va lang

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) or (doi chi)))) sach - canh sinh va hang cong doan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((doi chieu) OR (doi chi)))) sach - canh sinh va hang cong doan phan dau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doi chieu) or (doi chi)))) sach - canh sinh va hang cong doan phan dau*.