Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh sinh » nhan sinh, nhanh tinh, nhanh binh
pthong van » phong van, phung van, trong van
hoc chieu » hoc thieu, ho chieu, hoc hien
thong van » trong van, thong va, thong quan
tuan ban » tuan bang, toan ban, luan ban
sinh va » sinh vat, tinh va, dinh van

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 - nhanh sinh va nhung ((thong van) or (pthong van)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - nhanh sinh va nhung ((thong van) OR (pthong van)) tuan ban*.