Perhaps you should try some spelling variations:
phan thuc » nhan thuc, phap thuc, pham thuc
thuc dan » thuc hanh, hoc dan, thuc vat
dat chau » dat cau, hat chau, lai chau
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ke » hieu kem, chieu ke, hieu ky
ke phan » ve phan, kenh phan, ke thang
dan dan » dang dan, ban dan, dao dan
dan dat » dung dat, dong dat, dinh dat
chau te » chau tho
5 hoi » o hoi

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 ly nang ((5 hoi) or (x ho)). hieu ke phan thuc dan dan dat chau te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ((5 hoi) OR (x ho)). hieu ke phan thuc dan dan dat chau te.
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ((5 hoi) or (x ho)). hieu ke phan thuc dan dan dat chau te*.