Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
chat luc » chat xuc, chat lua, chat huu
va thanh » gia thanh, ban thanh, va tinh
nhan luc » nang luc
hai cuc » tai cuc, hai cua, thai cua
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ty dong » tay dong, ly dong, ty nong
cuc tre » duc tre, cua tre, cuu tre

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 dong) OR (tu dong)) cau hoi. hieu ve ((chat luc) or (nhan luc)) va thanh hai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty dong) OR (tu dong)) cau hoi. hieu ve ((chat luc) OR (nhan luc)) va thanh hai cuc tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty dong) OR (tu dong)) cau hoi. hieu ve ((chat luc) or (nhan luc)) va thanh hai cuc tre*".