Perhaps you should try some spelling variations:
chua tre » chua tri, cua tre, chua trieu
tu sach » thu sach, su sach, te sach
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
va chua » vua chua, ca chua, va chu
ve cam » ve cham, ve cac, va cam
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu hoach)) ((ty nang) OR (ky nang)) xa hoi. hieu ve cam luc va hanh va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu hoach)) ((ty nang) OR (ky nang)) xa hoi. hieu ve cam luc va hanh va chua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu hoach)) ((ty nang) OR (ky nang)) xa hoi. hieu ve cam luc va hanh va chua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu hoach)) ((ty nang) OR (ky nang)) xa hoi. hieu ve cam luc va hanh va chua tre*.