Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh toan » tinh toan, thanh toan, trinh han
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
dung cong » dung trong
than cap » khan cap, thanh lap, thanh cac

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 anh - hanh trinh toan ((nhung cong) or (dung cong)) tan ((than cap) or (thanh san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - hanh trinh toan ((nhung cong) OR (dung cong)) tan ((than cap) OR (thanh san)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu anh - hanh trinh toan ((nhung cong) or (dung cong)) tan ((than cap) or (thanh san))*.