Perhaps you should try some spelling variations:
chat duc » chat xuc, chat doc, chet duoc
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
hieu su » hieu sau, tieu su, hieu so
su chat » su phat, du chat, so chat
dau cua » cau cua, dan cua, bau cua
y nang » ky nang, ly nang, v nang
duc ca » duc cac, duc va, duc ha
ca dan » cac dan, ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang cao hoi. hieu su chat duc ca dan ((((dau cua) or (day cua))) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang cao hoi. hieu su chat duc ca dan ((((dau cua) OR (day cua))) OR (dai cua)) te.
• Adding a wildcard symbol may retrieve word variants: te sach y nang cao hoi. hieu su chat duc ca dan ((((dau cua) or (day cua))) or (dai cua)) te*.