Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach tham » sach nha
tham nang » nham nang, tham lang, tham nhung
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
hanh di » hanh vi, hanh de, hang di
cua tuc » cua duc, cua tu, cua thuoc
luc va » duc va, tuc va
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach tham nang xa hoi. hieu qua cac ((((loc va) OR (luc va))) or (hoc va)) hanh di cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach tham nang xa hoi. hieu qua cac ((((loc va) OR (luc va))) OR (hoc va)) hanh di cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach tham nang xa hoi. hieu qua cac ((((loc va) OR (luc va))) or (hoc va)) hanh di cua tuc".
• Adding a wildcard symbol may retrieve word variants: thuat sach tham nang xa hoi. hieu qua cac ((((loc va) OR (luc va))) or (hoc va)) hanh di cua tuc*.