Perhaps you should try some spelling variations:
cong huong » cong thuong, cong luong, cong hung
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
hanh san » thanh san, khach san, thanh son
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap
san cua » sang cua, ban cua, dan cua

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 xanh) OR (thien anh)) - hanh san cua cong huong dan ((than tap) or (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - hanh san cua cong huong dan ((than tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - hanh san cua cong huong dan ((than tap) or (phan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - hanh san cua cong huong dan ((than tap) or (phan tap))*.