Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trang va » tran van
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban
tang va » tang van, thang va, tang vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((tang va) or (((trang va) or (hang va)))) thong cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((tang va) OR (((trang va) OR (hang va)))) thong cong van tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((tang va) or (((trang va) or (hang va)))) thong cong van tuan ban*.