Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
hanh tai » hang tai, han tai, hinh tai
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ma hoa. hieu van cam tuc xa ((((hanh tai) OR (thanh tai))) or (thanh lap)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoa. hieu van cam tuc xa ((((hanh tai) OR (thanh tai))) OR (thanh lap)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ma hoa. hieu van cam tuc xa ((((hanh tai) OR (thanh tai))) or (thanh lap)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoa. hieu van cam tuc xa ((((hanh tai) OR (thanh tai))) or (thanh lap)) cua triet*.