Perhaps you should try some spelling variations:
phuong thuong » thong thuong, phuong duong, phuong luong
thieu tinh » trieu tinh, thien tinh, lieu tinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
thuong dam » thuong mai, huong dan, truong dai
hanh hang » thanh hang, hang hang, hanh han
va phuong » va thuong, cac phuong
thanh tap » thanh lap, thanh tai, thanh tam
thanh tay » thanh tai, thanh toan, thanh thuy

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu tinh) OR (chieu tinh)) - hanh hang va phuong thuong dam ((thanh tap) or (thanh tay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu tinh) OR (chieu tinh)) - hanh hang va phuong thuong dam ((thanh tap) OR (thanh tay)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu tinh) OR (chieu tinh)) - hanh hang va phuong thuong dam ((thanh tap) or (thanh tay))".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu tinh) OR (chieu tinh)) - hanh hang va phuong thuong dam ((thanh tap) or (thanh tay))*.