Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
thue nang » thien nang, thuat nang, thi nang
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, nam duoc
lai cua » hai cua, lai chau, thai cua

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

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