Perhaps you should try some spelling variations:
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
dan vai » dan va, dan tai, dan vat
ky danh » ky anh
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu ve » hieu va, hieu van
ve chim » va chim, ve cham, ve chinh
va dan » ca dan, va dao, va dau
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 dan 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 dan 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 dan vai cua su*.