Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
tranh vat » trinh vat, tranh va, tranh van
vat thong » va thong, vat trong, mat thong
thong dan » thong van, tuong dan, thong den
chan cap » khan cap, than cap, phan cac
cao cap » cao chat

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - canh tranh vat thong thong dan ((chan cap) OR (cao cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sang)) - canh tranh vat thong thong dan ((chan cap) OR (cao cap))~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - canh tranh vat thong thong dan ((chan cap) OR (cao cap))*.