Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
luong van » luong va, duong van, luong vat
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
ban tap » han tap, ban tai, ban tay

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((cua hang) OR (cua dang)) luong van ((ban tap) OR (bai tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ((cua hang) OR (cua dang)) luong van ((ban tap) or (bai tap))~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((cua hang) OR (cua dang)) luong van ((ban tap) or (bai tap))*.