Perhaps you should try some spelling variations:
thanh lap » phan lap, thanh van, thanh ha
thanh hai » thanh phan, thanh hoa
cua triet » cua viet, su triet, va triet
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu va » lieu va, hieu qua
cac duc » cac du, cao duc, cac dac
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang ha hoi. hieu va cac duc va ((((thanh lap) OR (thanh san))) or (thanh hai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang ha hoi. hieu va cac duc va ((((thanh lap) OR (thanh san))) OR (thanh hai)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang ha hoi. hieu va cac duc va ((((thanh lap) OR (thanh san))) or (thanh hai)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang ha hoi. hieu va cac duc va ((((thanh lap) OR (thanh san))) or (thanh hai)) cua triet*.