Perhaps you should try some spelling variations:
dau tieng » dau tien, cau tieng, day tieng
cham cuu » cap cuu, chat cua
cuu ngan » cua ngan, cuu nhan, cuu nan
dat tren » dat trong, dua tren
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty hang, ly nang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
hang » dang, bang, hanh

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 ((ty nang) or (ty xang)) xa hoi. hieu ve cham cuu ngan hang va ((dat tren) or (dau tieng))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty xang)) xa hoi. hieu ve cham cuu ngan hang va ((dat tren) OR (dau tieng)).
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty xang)) xa hoi. hieu ve cham cuu ngan hang va ((dat tren) or (dau tieng))*.