Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
cao nhung » cho nhung, cam nhung, cao chung
cong van » cong vang, cong san, song van
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao
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 - hanh truong cao nhung cong van ((than cao) or (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (so lieu)) tinh - hanh truong cao nhung cong van ((than cao) OR (thai cao)).
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (so lieu)) tinh - hanh truong cao nhung cong van ((than cao) or (thai cao))*.