Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
hanh manh » hanh mang, hoang manh, thanh minh
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cap » khan cap, than cap, nhan cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chiet tach) or (chieu sach)) - ((hanh manh) OR (lanh manh)) cua nhung cong tac nhan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (chieu sach)) - ((hanh manh) OR (lanh manh)) cua nhung cong tac nhan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chiet tach) or (chieu sach)) - ((hanh manh) OR (lanh manh)) cua nhung cong tac nhan cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (chieu sach)) - ((hanh manh) OR (lanh manh)) cua nhung cong tac nhan cap*.