Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
trung nhung » trong nhung, trung hung, trung ngung
dung trung » dung trong, quang trung, dung ung
nhung van » phung van, nhung bai, nhung cau
hoc dieu » hoc thieu, hoc hien
thong tu » phong tuc, thong tin, thong ke
van chat » cao chat
tu dung » tuc dung, tu duong, su dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (toc thieu)) tinh - thanh thong tu dung trung nhung van chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (toc thieu)) tinh - thanh thong tu dung trung nhung van chat.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (toc thieu)) tinh - thanh thong tu dung trung nhung van chat*.