Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
chim co » chim bo, chim ca, chim choc
ky lang » ky nang, ky tang, tay lang
vai cua » dai cua, hai cua, lai cua
ky dang » ky nang
ky danh » ky anh
hoa hoi » khoa hoi, hoa hoc, hoa doi
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
ve chim » va chim, ve cham, ve chinh
su sac » su sach, su cac, su xac
cua su » qua su
co va » co ma, do va, so va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((ky lang) or (((ky dang) OR (ky danh)))) hoa hoi. hieu ve chim co va danh vai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky lang) OR (((ky dang) OR (ky danh)))) hoa hoi. hieu ve chim co va danh vai cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ((ky lang) or (((ky dang) OR (ky danh)))) hoa hoi. hieu ve chim co va danh vai cua su".
• Adding a wildcard symbol may retrieve word variants: su sac ((ky lang) or (((ky dang) OR (ky danh)))) hoa hoi. hieu ve chim co va danh vai cua su*.