Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ve triet » va trien, su triet
xa thanh » va thanh, ha thanh, ta thanh
su sach » so sach, vu sach
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
xuc xa » tuc xa, buc xa
dai ve » dap ve, dau ve, dai va
va cam » va cham, va cao, va cai

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) or (v nang)) ma hoi. hieu ((va cam) or (va cac)) xuc xa thanh dai ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (v nang)) ma hoi. hieu ((va cam) OR (va cac)) xuc xa thanh dai ve triet.
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) or (v nang)) ma hoi. hieu ((va cam) or (va cac)) xuc xa thanh dai ve triet*.