Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhanh hai » nhanh thai, thanh hai, nhanh ha
hanh hai » thanh hai, hang hai, hanh tai
cham duc » pham duc, cham soc, pham duy
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
sach ty » sach tu, sach thu, xach tay
duc van » duc va, duc tan, duc manh

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) or (sach y)) nang xa hoi. hieu vu cham duc van ((hanh hai) OR (nhanh hai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang xa hoi. hieu vu cham duc van ((hanh hai) OR (nhanh hai)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach y)) nang xa hoi. hieu vu cham duc van ((hanh hai) OR (nhanh hai)) cua triet*".