Perhaps you should try some spelling variations:
chuyen vang » chuyen hang, chuyen cang, chuyen chang
tri chuyen » tro chuyen, tri huyen, trinh chuyen
doi trung » do trung, doi trong, doan trung
tac dung » sach dung, xay dung, tin dung
thuoc mo » thuoc moi, thuoc ma, thuoc bo
dung tri » dung tai, dung tren, dung sai
que van » qua van, quy van, quyet van
quoc so » quoc son, nuoc so, quoc co

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung bai que van. tac dung thuoc mo ) or ( dung tri chuyen vang. doi trung quoc so ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung bai que van. tac dung thuoc mo ) OR ( dung tri chuyen vang. doi trung quoc so )).
• Adding a wildcard symbol may retrieve word variants: (( nhung bai que van. tac dung thuoc mo ) or ( dung tri chuyen vang. doi trung quoc so ))*.