Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
thi nang » ki nang, thi hanh
thi cong » tai cong, thien cong
danh vai » danh sai, danh va, doanh van
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
va cam » va cham, va cac, va cao
cam tu » cam thu, nam tu, dam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((thi nang) OR (thi cong)) xa hoi. lieu va cam tu va danh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((thi nang) OR (thi cong)) xa hoi. lieu va cam tu va danh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ((thi nang) OR (thi cong)) xa hoi. lieu va cam tu va danh vai cua triet*.