Perhaps you should try some spelling variations:
chau triet » cau triet, cau trieu, chau tuyet
thanh lap » thanh san, phan lap, thanh hai
cua triet » cua viet, su triet, va triet
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
ha duc » ho duc, ha dac, xa duc
va ha » va hoa, va kha, va han

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 nang xa hoi. lieu va ha duc va ((hanh tai) or (thanh lap)) ((chau triet) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. lieu va ha duc va ((hanh tai) OR (thanh lap)) ((chau triet) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. lieu va ha duc va ((hanh tai) or (thanh lap)) ((chau triet) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. lieu va ha duc va ((hanh tai) or (thanh lap)) ((chau triet) OR (cua triet))*.