Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
nay lang » nam lang, tay lang, nhan lang
manh hai » lanh hai, minh hai, thanh hai
sach nay » sach hay, sach vay, sach nang
va manh » van manh, va danh, va hanh
te sach » toc sach
lang xa » lang ha, dang xay, lang van
xuc va » duc va, tuc va, luc va
va cam » va cham, va cac, va cao
ve cai » va cai, ve cac, ve tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach nay lang xa hoi. hieu ((ve cai) or (va cam)) xuc va manh hai ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach nay lang xa hoi. hieu ((ve cai) OR (va cam)) xuc va manh hai ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach nay lang xa hoi. hieu ((ve cai) or (va cam)) xuc va manh hai ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: te sach nay lang xa hoi. hieu ((ve cai) or (va cam)) xuc va manh hai ((cua triet) OR (cua viet))*.