Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hien hach » thien hach, hien hanh, hien nhanh
dang cong » dung cong
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hach - hanh truong cua ((nhung cong) or (dang cong)) dan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hach - hanh truong cua ((nhung cong) OR (dang cong)) dan thai cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien hach - hanh truong cua ((nhung cong) or (dang cong)) dan thai cao*.