Perhaps you should try some spelling variations:
thien cac » hien cac, thien cau, thieu cac
chien cac » hien cac, chien cuoc, vien cac
hanh vai » hanh vi, hanh va, hanh tai
sach ty » sach y, sach tu, sach thu
vai cua » dai cua, hai cua, lai cua
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
ly van » le van, ly von, lo van
cua tu » cua tuc, cua su, cua cu

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 ty nang xa hoi. chieu ((chien cac) OR (thien cac)) ((ly va) or (ly van)) hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. chieu ((chien cac) OR (thien cac)) ((ly va) OR (ly van)) hanh vai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. chieu ((chien cac) OR (thien cac)) ((ly va) or (ly van)) hanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. chieu ((chien cac) OR (thien cac)) ((ly va) or (ly van)) hanh vai cua tu*.