Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hanh mang » nhanh mang, hanh trang, nhanh lang
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan, tinh toan
hoc dieu » hoc thieu
mang cua » manh cua, dung cua, ban cua
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (hoc hien)) xanh - hanh mang cua ((nhung cong) OR (hang cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) xanh - hanh mang cua ((nhung cong) OR (hang cong)) manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) or (hoc hien)) xanh - hanh mang cua ((nhung cong) OR (hang cong)) manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc hien)) xanh - hanh mang cua ((nhung cong) OR (hang cong)) manh toan ban*.