Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
nham nang » phap nang, cam nang, kha nang
hoc anh » hoc nganh, hoc nhanh, ngoc anh
vai cua » dai cua, hai cua, lai cua
truc va » thuc va, trung va
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
hoc cac » hoc cao
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: ((hoc anh) or (hoc cac)) nham nang xa hoi. hieu va cac ((truc va) or (thuc vat)) thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc anh) OR (hoc cac)) nham nang xa hoi. hieu va cac ((truc va) OR (thuc vat)) thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((hoc anh) or (hoc cac)) nham nang xa hoi. hieu va cac ((truc va) or (thuc vat)) thanh vai cua tre*.