Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
nham thu » nham thuc, nam thu, pham thu
tinh hai » tinh thai, tinh chat, trinh han
te sach » toc sach
hieu ve » hieu va, hieu van
va tinh » may tinh
hai cuc » tai cuc, hai cua, thai cua
cuc tre » duc tre, cua tre, cuu tre
y nang » ly nang, v nang, may nang

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

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