Perhaps you should try some spelling variations:
hien khanh » hien hanh, dien khanh, thien thanh
hien nhanh » hien hanh, thien thanh, tien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
dung nguon » dung nguoi, luong nguon, dung ngan
tranh cua » doanh cua, manh cua
nguon van » nguon von, nguoi van, nguyen van
cua dung » cua dang, cua dong, qua dung
van tuan » van quan, van ban, anh tuan
tuan tap » toan tap, tuan tai, tuyen tap

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: hoc ((((hien khanh) OR (hien nhanh))) OR (chieu xanh)) - canh tranh cua dung nguon van tuan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien khanh) OR (hien nhanh))) or (chieu xanh)) - canh tranh cua dung nguon van tuan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien khanh) OR (hien nhanh))) or (chieu xanh)) - canh tranh cua dung nguon van tuan tap*.