Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hang tai » hang va, dung tai
hanh tai » thanh tai, han tai, hinh tai
sach ky » sac ky, sach ty, sach kem
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, cam tu, nam thuc
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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

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