Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
cua hang » cua dang, cua nhung, cua ban
cong tac » cong ty
tac xa » tuc xa, tac da
xa ban » xa bang, va ban, xa ba

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu nganh) or (chieu sang)) - hanh trinh ((cua hang) or (cua cong)) cong tac xa ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (chieu sang)) - hanh trinh ((cua hang) OR (cua cong)) cong tac xa ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (chieu sang)) - hanh trinh ((cua hang) or (cua cong)) cong tac xa ban*.