Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, theo chu, thi chieu
thong dan » thong van, tuong dan, thong den
ho chieu » hoc thieu, doi chieu, mot chieu
tuong va » truong va, thuong va, luong va
va thong » va thuong, va phuong, he thong
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) xanh - thanh tuong va thong thong dan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - thanh tuong va thong thong dan van ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - thanh tuong va thong thong dan van ban*.