Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doi chieu » doi chi, ho chieu, mot chieu
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
doc hieu » toc thieu, hoc hien
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan dau » phan tu, hang dau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (((doi chieu) OR (doc hieu)))) xanh - lanh manh cua nhung cong tan phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (((doi chieu) OR (doc hieu)))) xanh - lanh manh cua nhung cong tan phan dau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (((doi chieu) OR (doc hieu)))) xanh - lanh manh cua nhung cong tan phan dau*.