Perhaps you should try some spelling variations:
tranh nhung » trinh nhung, tranh hang, tran hung
tram tranh » tran thanh, tap tranh
thieu xanh » chieu xanh, thien anh, thien danh
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tram » hanh tam, hanh trang, thanh tran
dien anh » tieng anh, dien dan
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((thieu xanh) or (hieu manh))) or (dien anh)) - hanh tram tranh nhung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (hieu manh))) OR (dien anh)) - hanh tram tranh nhung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (hieu manh))) or (dien anh)) - hanh tram tranh nhung cong tac toan cao*.