Perhaps you should try some spelling variations:
tang thuong » hang thuong, tang truong, dang thuong
hanh truong » hanh trong, anh truong, manh truong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
thuong dan » huong dan, thuong han, thuong dam
cao tang » cao dang
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh truong cao tang thuong dan ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh truong cao tang thuong dan ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh truong cao tang thuong dan ((toan tai) or (toan tap))*.