Perhaps you should try some spelling variations:
dan thanh » dang thanh, danh thanh, ban thanh
nham thuc » nhan thuc, nam thuc, nham thu
thanh vai » thanh hai, thanh van, thanh tai
nang mai » nang ma, nang tai, lang mai
thuc dan » thuc hanh, hoc dan, thuc vat
so cach » so sach, co cach, mot cach
tu nang » tru nang, tu nong, tu nano
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va nham » va cham, va tham, va nha
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so cach) OR (loi cach)) tu nang mai hoi. hieu va nham thuc dan thanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so cach) OR (loi cach)) tu nang mai hoi. hieu va nham thuc dan thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((so cach) OR (loi cach)) tu nang mai hoi. hieu va nham thuc dan thanh vai cua tre*.