Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) or (chinh sach)) - hanh trinh cua nhung huong dan ((than ban) OR (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chinh sach)) - hanh trinh cua nhung huong dan ((than ban) OR (than man)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) or (chinh sach)) - hanh trinh cua nhung huong dan ((than ban) OR (than man))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chinh sach)) - hanh trinh cua nhung huong dan ((than ban) OR (than man))*.