Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
ho chieu » theo chieu, doi chieu, thi chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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: ((((ho chieu) OR (mot chieu))) OR (hoc thieu)) xanh - canh tranh cua nhung cong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (mot chieu))) or (hoc thieu)) xanh - canh tranh cua nhung cong tan toan cao~".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (mot chieu))) or (hoc thieu)) xanh - canh tranh cua nhung cong tan toan cao*.