Perhaps you should try some spelling variations:
thanh nam » hanh nam, thanh tam, thanh pham
thanh van » thanh san, thanh toan, thanh phan
luc ban » duc ban, cuc ban, luc bat
cau luc » cau truc, cau phuc
hieu va » lieu va, hieu qua
sach ky » sach y, sach ty, sach kem
sang ma » tang ma, nang ma, sang tao
va cau » van cau, va cac, va dau
ma hoi » mai hoi, xa hoi, ma hoa
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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 ky) OR (sac ky)) sang ma hoi. hieu va cau luc ban ((thanh van) or (thanh nam)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) sang ma hoi. hieu va cau luc ban ((thanh van) OR (thanh nam)) cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sac ky)) sang ma hoi. hieu va cau luc ban ((thanh van) or (thanh nam)) cua tu*".