Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
thu xach » thu sach, thu hoach, thuc cach
hanh hai » thanh hai, nhanh hai, hang hai
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
thu xac » thau xay
hieu va » lieu va, hieu qua
cac lo » cac lop, cac co, cac bo
lo va » lo van, lao va, ly va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu xac) or (thu xach)) ky nang x hoi. hieu va cac lo va hanh hai ((cua tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu xac) OR (thu xach)) ky nang x hoi. hieu va cac lo va hanh hai ((cua tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: ((thu xac) or (thu xach)) ky nang x hoi. hieu va cac lo va hanh hai ((cua tre) or (cau tren))*.