Perhaps you should try some spelling variations:
truong van » trong van, truong dai, truong cao
chau tinh » cuu tinh, ha tinh, cua tinh
truong va » truong dai, truong cao, truong dao
dung cong » dung trong
doi chau » doi chieu, gioi chau, hoi chu
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan cao » doanh cao, toan cao, doan cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chau tinh - hanh ((truong van) or (truong va)) dung cong tap doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chau tinh - hanh ((truong van) OR (truong va)) dung cong tap doan cao*.