Perhaps you should try some spelling variations:
thieu nien » thien nhien
nang mai » nang ma, nang tai, lang mai
nien cam » nien giam, trien cam, vien cac
thai cua » than cua, tai cuc, tri cua
su sach » so sach, vu sach
mai hoi » mai khoi, dai hoi, lai hoi
cam tuc » cam xuc, cam tu, nam thuc
xa hanh » xa thanh, xa khanh, va hanh
lai cua » hai cua, lai chau
y nang » ky nang, ly nang, v nang

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 y nang mai hoi. thieu nien cam tuc xa hanh ((((lai cua) or (thai cua))) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang mai hoi. thieu nien cam tuc xa hanh ((((lai cua) OR (thai cua))) OR (dai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang mai hoi. thieu nien cam tuc xa hanh ((((lai cua) or (thai cua))) or (dai cua)) triet*.