Perhaps you should try some spelling variations:
thuy san » thuat san, thuy anh
phu dan » phu da, phu can, phu dau
hieu va » lieu va, hieu qua
phu san » phi san
tinh di » tinh doi, trinh di, tinh da
va tinh » may tinh
cam duc » cam xuc, cao duc, pham duc
nang ho » nang hoc, nang co, tang ho
di cua » dai cua, doi cua, de cua
va cam » va cham, va cac, va cao
ho hoc » hoa hoc, cho hoc, hoi hoc
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((phu dan) or (((phu san) OR (thuy san)))) ky nang ho hoc. hieu va cam duc va tinh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((phu dan) OR (((phu san) OR (thuy san)))) ky nang ho hoc. hieu va cam duc va tinh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((phu dan) or (((phu san) OR (thuy san)))) ky nang ho hoc. hieu va cam duc va tinh di cua te".
• Adding a wildcard symbol may retrieve word variants: ((phu dan) or (((phu san) OR (thuy san)))) ky nang ho hoc. hieu va cam duc va tinh di cua te*.