Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hanh vai » hanh vi, hanh va, hanh tai
vai cau » va cau, vai cac, lai chau
chuc va » thuc va, thuc vat
phuc va » phuc vu, thuc va, thuc vat
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
van cau » van dau, van chat, toan cau
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
van hau » van ha, van hai, van dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang xa hoi. thien ((van cau) or (van hau)) ((phuc va) or (chuc va)) hanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. thien ((van cau) OR (van hau)) ((phuc va) OR (chuc va)) hanh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. thien ((van cau) or (van hau)) ((phuc va) or (chuc va)) hanh vai cau tren*.