Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
nang phap » nang phat, nang phan, ban phap
phap hoa » phap hoan, phap khoa, phap hoc
va thanh » gia thanh, ban thanh, va tinh
cu tren » tu tren, dua tren
cua tre » cua te, cuu tre, cua triet
cam loc » cam lo
hieu ve » hieu va, hieu van
loc va » hoc va, luc va
so cac » sao cac, so cap, o cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: so cac ky nang phap hoa. ((hieu ve) or (lieu va)) cam loc va thanh tai ((cua tre) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so cac ky nang phap hoa. ((hieu ve) OR (lieu va)) cam loc va thanh tai ((cua tre) OR (cu tren)).
• Adding a wildcard symbol may retrieve word variants: so cac ky nang phap hoa. ((hieu ve) or (lieu va)) cam loc va thanh tai ((cua tre) or (cu tren))*.