Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
truc va » thuc va, thuc vat, trung va
ve cham » va cham, ve chat, vu cham
luu tre » luu tru, cuu tre, luy tre
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
ve cam » ve cac, va cam, ve cai
vi luu » vi lua

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 ly nang xa hoi. hieu ((ve cam) OR (ve cham)) ((duc va) or (truc va)) hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang xa hoi. hieu ((ve cam) OR (ve cham)) ((duc va) OR (truc va)) hanh vi luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang xa hoi. hieu ((ve cam) OR (ve cham)) ((duc va) or (truc va)) hanh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: su sach ly nang xa hoi. hieu ((ve cam) OR (ve cham)) ((duc va) or (truc va)) hanh vi luu tre*.