Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, dien thanh
tien thanh » tien thinh, tran thanh, den thanh
anh quang » anh xquang, anh quan, nhanh quang
vung song » vung dong, xuong song, nang song
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
quang va » quang van, quan va, quang ma
song van » hoang van, trong van, duong van
va vung » van vung, vat vung, va ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien nhanh) OR (tien thanh)) - anh quang va vung song van thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) OR (tien thanh)) - anh quang va vung song van thanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) OR (tien thanh)) - anh quang va vung song van thanh cau*.