Perhaps you should try some spelling variations:
trinh van » trinh han, trinh quan, trinh toan
hieu vien » hieu hien, hieu viec, thieu nien
thu sach » tu sach, thuat sach, thuoc sach
nang xay » dang xay, nganh xay, nang xuan
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
bach he » bach hue, bach ha, bach nhu
tinh va » tich va, trinh vat, tinh gia
chu tre » cho tre, chu tri, cuu tre
he va » che va, he van, te va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xay hoi. hieu vien bach he va ((tinh va) OR (trinh van)) chu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang xay hoi. hieu vien bach he va ((tinh va) OR (trinh van)) chu tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xay hoi. hieu vien bach he va ((tinh va) OR (trinh van)) chu tre*.