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
nang mai » nang ma, nang tai, nang cai
lang mai » lang dai, lang hai, lang man
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
cach tu » cach thuc
cua te » cua tu

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 mai) or (lang mai)) hoi. hieu ve nham thuc dan thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so cach tu ((nang mai) OR (lang mai)) hoi. hieu ve nham thuc dan thanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: so cach tu ((nang mai) or (lang mai)) hoi. hieu ve nham thuc dan thanh vai cua te*.