Perhaps you should try some spelling variations:
thanh nung » thanh tung, thanh hung, thanh trung
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
cao nhung » cho nhung, cam nhung, cao chung
toan tap » toan ban
ho lieu » co lieu, ho kieu, ho chieu
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) OR (so lieu)) tinh - ((thanh nung) or (thanh dung)) cao nhung cong thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (so lieu)) tinh - ((thanh nung) OR (thanh dung)) cao nhung cong thanh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) OR (so lieu)) tinh - ((thanh nung) or (thanh dung)) cao nhung cong thanh toan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) OR (so lieu)) tinh - ((thanh nung) or (thanh dung)) cao nhung cong thanh toan tap*.