Perhaps you should try some spelling variations:
dieu hien » dieu khien, dieu kien, bieu hien
cao hoat » cac hoat, co hoat, cao chat
hien cac » thien cac, vien cac, hieu cac
te sach » toc sach
cac duc » cac du, cao duc, cac dac
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va dan » ca dan, va dao, va dau
dan da » dan dat, dan ca, dan va
da cua » dai cua, day cua, dan cua

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 hoat. dieu hien cac duc va dan da cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach y nang cao hoat. dieu hien cac duc va dan da cua tre*.