Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
sach thu » sach thue, sach thieu, sach tham
nang xa » nang x, lang xa, nang ma
sach tu » cach tu, sach ty, sach uu
xuc van » duc van, luc van, vuc van
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
cua te » cua tu

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

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