Perhaps you should try some spelling variations:
thanh tung » thanh cong
toc trien » buoc trien, moc tren, hoc tren
tam nhung » tham nhung, cam nhung, nam nhung
chong van » thong van, hong van, chong va
phong van » phung van, thong van, phong va
tung tam » trung tam, vung tam, dung tam
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc trien) OR (toc thieu)) quang - thanh tung tam nhung ((chong van) or (phong van)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc trien) OR (toc thieu)) quang - thanh tung tam nhung ((chong van) OR (phong van)) tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc trien) OR (toc thieu)) quang - thanh tung tam nhung ((chong van) or (phong van)) tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((toc trien) OR (toc thieu)) quang - thanh tung tam nhung ((chong van) or (phong van)) tuan ban*.