Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
va thanh » gia thanh, ban thanh, va tinh
phan dau » phan tu, hang dau
nang dao » nang dau, nang tao, nang dan
ve phan » va phan, ke phan, ve phat
lai cua » dai cua, hai cua, lai chau
toc sai » toc dai, thuoc sai, toc thai
hieu ve » hieu va, hieu van
dau va » dau ve, lau va
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sai) or (toc san)) ky ((nang cao) or (nang dao)) khoa. hieu ve phan dau va thanh lai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sai) OR (toc san)) ky ((nang cao) OR (nang dao)) khoa. hieu ve phan dau va thanh lai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((toc sai) or (toc san)) ky ((nang cao) or (nang dao)) khoa. hieu ve phan dau va thanh lai cua tu*.