Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban
hanh va » hang va, hanh vi
han va » hang va, nhan va, ban va

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 (mot chieu)) xanh - hanh ((han va) OR (hanh va)) nhung cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) xanh - hanh ((han va) OR (hanh va)) nhung cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (mot chieu)) xanh - hanh ((han va) OR (hanh va)) nhung cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) xanh - hanh ((han va) OR (hanh va)) nhung cong tinh toan ban*.