Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
toan tap » toan ban
mang va » mang vua, hang va, bang va

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) or (theo tieu)) lang - hanh mang va ((nhung cong) OR (dung cong)) thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo tieu)) lang - hanh mang va ((nhung cong) OR (dung cong)) thanh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (theo tieu)) lang - hanh mang va ((nhung cong) OR (dung cong)) thanh toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo tieu)) lang - hanh mang va ((nhung cong) OR (dung cong)) thanh toan tap*.