Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
toc hieu » doc hieu, hoc thieu, thuc hieu
va phung » va phuong, van phung, va nhung
cong dat » cong dan, dong dat, cong da
dat khan » dat khanh, dat thanh, bat khanh
khan cap » khan ap, than cap, khoan cam
cong va » dong va, cong ha, cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc hieu) or (toc thieu)) cach - thanh cong va phung cong dat khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc hieu) OR (toc thieu)) cach - thanh cong va phung cong dat khan cap*.