Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doc diep » duoc dien, ngoc diep, dac diem
cong van » cong vang, cong san, song van
tung ve » dung ve, tung va, trung va
tung le » tuong le, tang le, dung le
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc diep tinh - thanh ((tung ve) or (tung le)) nhung cong van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc diep tinh - thanh ((tung ve) OR (tung le)) nhung cong van tan cau.
• Adding a wildcard symbol may retrieve word variants: doc diep tinh - thanh ((tung ve) or (tung le)) nhung cong van tan cau*.