Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
dan thanh » dang thanh, danh thanh, ban thanh
nham thuc » nhan thuc, nam thuc, nham thu
tru nang » tra nang, tri nang, truc nano
thuc dan » thuc hanh, hoc dan, thuc vat
ve nham » ve nha, ve cham
vai cua » dai cua, hai cua, lai cua
so cach » so sach, co cach, loi cach
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
tu nang » tu nong, tu nano, tu lang
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 ((tu nang) OR (tru nang)) mai hoi. hieu ve nham thuc dan thanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so cach ((tu nang) OR (tru nang)) mai hoi. hieu ve nham thuc dan thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: so cach ((tu nang) OR (tru nang)) mai hoi. hieu ve nham thuc dan thanh vai cua tre*.